Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2282 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

The Three Shires Fell Race is a 22 km mountain event with 1535 m of climbing. Starting from Tilberthwaite Farm, this classic fell race requires navigational skills and specific safety kit for all participants.

Three coastal trail races on 26 September 2026 around the Gower Peninsula offer routes of 50, 34 and 23 miles along cliffs, bays and coastal paths. The event is self navigated with checkpoints, GPS tracking and coach transfers to starts.

Trail run and walk in Dorset around The Fleet Lagoon with 10 km, half and full marathon options plus a marathon relay for teams of up to four. The mostly off road courses support small local charities through fundraising.

A 10 mile trail race at Chilton Manor Farm featuring private estate trails, a 1-mile yew tree-lined finish, on-course marshals and a sustainable finisher medal, with GPX/Strava route files and on-site pop-up cafe.

A senior fell race near Cliviger covering 4.3 miles (7 km) with about 1310 feet of ascent. The flagged and marshaled course runs over moorland with steep climbs and grassy descents; entry fees are £6 or £8.

A flexible 24 hour trail event at Leighton Hall where individuals, pairs and teams take turns on a 5.75 km woodland and trail loop. Live timing, camping for competitors, on-site catering and prizes for top performances and most time on feet..

A backyard ultra at The Waggoners in Welwyn Garden City on 26 to 27 September 2026 where runners repeat a 4.167 mile (6.71 km) loop each hour until one runner finishes alone. Entry includes drink vouchers and a commemorative glass.

A Peak District trail running festival from Hope Village offering 21K and 52K routes with marked courses, GPX files, aid stations and chip timing. The event features upland moors, reservoir edges, forest paths and an event village.

Trail runs across the 1,000 plus acre Harewood House estate with 5 mile, 10 mile and 15 mile options, live chip timing, Canicross friendly entries and finishers receiving a medal and snack.

A single-lap 13 km BM fell race on Ilkley Moor with 370 m ascent over rocky tracks, heathery paths, a mile of road and forest sections with roots and slippery bridges. Basic facilities and FRA mandatory kit are required.

A new *12 mile* trail race at National Trust Clumber Park on 26 September 2026, held entirely within the park with marshals, water stations and a three hour cut off. Finishers receive a medal and top three men and women get trophies.

Tower to Castle Ultra 30 covers 30.9 miles from Blackpool Tower to Lancaster Castle with a ferry crossing at Fleetwood, way marked sections and compulsory checkpoints. Pre registration is required and entries close 20 September 2026.

A forest running event in Warwickshire on 26 September 2026 with a 27 miles marathon and a 20 miles short course. Routes run through early autumn woodland with staffed checkpoints and proceeds supporting the Heart of England Forest.

MacTuffX Swansea at Neath Sports Centre on 26 September 2026 combines ten Xercises with runs over Classic or Double distances. Entries are available in Solo, Doubles and Relay categories, with an optional LITE weight division.

A community fell race in the Ceiriog Valley on 26 September 2026, covering 11.6 km with 425 m ascent. Entry on the day; refreshments, showers and changing facilities are provided at Canolfan Ceiriog Centre.

A 30 km hill race from Traquair House to Broughton Ales across the Scottish Borders with roughly 1500 m of ascent. The route uses hill tracks and open heather, has eight marshalled checkpoints and requires mandatory emergency kit.

A five-lap ultramarathon in Berkeley, Gloucestershire across 25-27 September 2026, covering about 130 miles and 15,000 ft of ascent with a 24 hour cut off and 120 places, organized from Hamfields Leisure with camping and tracking included.

Three community races at Harcourt Hill on 26 Sep 2026 from a 10k off road course to a 1k fun run, organised by the 4th Oxford Scout Group with medals, prizes and water stations for participants.

Guto Nyth Bran is a 9.6 km fell race near Caerphilly with 396 m of climb on a partially marked course. It takes place in late September, has a short walk from parking to the start, and charges £6 online or £8 on the day.

A fully waymarked, supported sea-to-summit ultramarathon from Caernarfon Castle to Bron y Feds Uchaf, covering 29 miles (47 km) with about 5,600 ft ascent. Pit stops, professional medical cover and GPS tracking are provided.

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